Catheter system having tubular radiation source
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United States of America Patent
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-
Jan 13, 2004
Issued Date -
N/A
app pub date -
Dec 8, 1997
filing date -
Mar 6, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A radiation source for inhibiting restenosis including a radiation delivery tube having a radioactive distal region, the tube being adapted to slide over a guide wire within a radiation delivery catheter. One tube has radioactive material incorporated into the tube wall material. Another tube has radioactive material secured to the tube surface. One radiation delivery balloon catheter includes a common inflation and radiation delivery lumen, the lumen being sealed distally and having a radiation source guide wire within the lumen. The lumen is sealed from contact with bodily fluids and is filled with inflation fluid during use. In use, the catheter balloon is advanced to a site to be treated, the balloon inflated, and the radioactive tube advanced over the radiation source guide wire within the lumen.
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